stall on convertor

Posted By: 64legacy

stall on convertor - 06/10/12 12:56 PM

I have a 64 727 with updated newer front assembly so as to accept the newer spline count convertors.Was rebuilt last year and a higher than stock stall was installed.Tranny also has the RVMB so there is no throttle pressure linkage.MY question is...when I'm cruising at 2000 rpm in drive and I go WOT, my tack jumps 1500 rpm. Is this normal?? Buddy told me my convertor maybe pooched.

Posted By: buildanother

Re: stall on convertor - 06/10/12 01:43 PM

Could be, and I hope the car is taking off also at the same time.

Posted By: 64legacy

Re: stall on convertor - 06/10/12 01:56 PM

Quote:

Could be, and I hope the car is taking off also at the same time.

That it does quite well.There is no free reving like a clutch slipping, just the high RPM increase at WOT.

Posted By: Graham

Re: stall on convertor - 06/10/12 04:24 PM

Sounds like a high stall converter to me.

Posted By: Graham

Re: stall on convertor - 06/10/12 04:33 PM

Forgot to mention, if the converter is "pooched" as your buddy says, there in all likelyhood will be indications of metal in the oil. Check it out. If the oil is not nice and pink, then you've got some issues that need to be looked after ASAP. If your converter is coming apart, it will lead to some serious transmission problems down the road. If the converter is bad, it usually means that a bearing or bearings have failed, or the sprag(one way clutch)has failed inside the unit. These extra pieces cause additional internal damage to the converter which will eventually lead to a total failure.

Posted By: Leadfoot

Re: stall on convertor - 06/10/12 05:33 PM

Sounds fairly normal to me. (whatever that's worth) Stall and flash are two different things. Sounds like you're seeing the flash on your tach.

Posted By: 64legacy

Re: stall on convertor - 06/10/12 09:58 PM

Quote:

Forgot to mention, if the converter is "pooched" as your buddy says, there in all likelyhood will be indications of metal in the oil. Check it out. If the oil is not nice and pink, then you've got some issues that need to be looked after ASAP. If your converter is coming apart, it will lead to some serious transmission problems down the road. If the converter is bad, it usually means that a bearing or bearings have failed, or the sprag(one way clutch)has failed inside the unit. These extra pieces cause additional internal damage to the converter which will eventually lead to a total failure.

Oil is still nice and pink, no mettalic look at all. Tried to check with Mark who rebuilt it last year, but he's away for 2 weeks at the moment.Thanks for the reply's guys.